Nuffield Foundation
Measuring the Vitamin C Content of Foods and Fruit Juices
Are you getting enough vitamin C? Young scientists determine the amount of vitamin C in fruit juice samples. They accomplish this task by adding DCPIP solution to the samples until the blue color of the DCPIP persists. Once this happens,...
Colorado State University
Why Are Clouds White?
Is it possible to change the color of clouds? A three-part activity explores the scattering of light by the water droplets that make up clouds. After observing a demonstration, curious scholars conduct their own investigations of the...
Curated OER
Earth's Water: A drop in your cup
Learners complete activities where they observe the amount of freshwater in the world as a fraction of the actual amount of water using different mixtures. In this freshwater lesson plan, students brainstorm on how to preserve...
Center for Learning in Action
Properties of Balls
Enhance your states of matter lessons with a hands-on science investigation that compares six different balls' color, texture, size, weight, ability to bounce, and buoyancy.
National Wildlife Federation
The Water Cycle
Observe the water cycle from the comfort of your classroom with this excellent earth science experiment. Working collaboratively, young scientists first create terrariums complete with hills, plants, lakes, and an...
Mascil Project
Water Quality
How do you prevent the spread of water-borne illness in large public swimming areas? Scholars discover the challenges to identifying safe water through an inquiry experiment. They then produce posters sharing their understanding of water...
Curated OER
Bottled Water Ban
Convenience, taste, portability ... what's not to love about bottled water? Apparently, a lot. Scholars analyze the four main arguments supporting and opposing the sale of bottled water. They explore the health, environmental, and...
Nuffield Foundation
Measuring Rate of Water Uptake by a Plant Shoot Using a Potometer
How quickly does a plant transpire? Learners explore this question through measuring water uptake with a potometer. They time the movement of a bubble a set distance to understand the motion and rate of speed.
Curated OER
Earth's Water
If the majority of our planet is covered with water, why do we need to bother conserving it? With a thorough and varied investigation into the location and types of water on the earth, learners will gain an understanding of why this...
Curated OER
Liquid Rainbow
Students develop their own techniques for drawing a small sample of solutions into a straw. They hypothesize ways to increase the density of water, and discuss how salt-free rainwater tends to float on top of salty seawater.
Curated OER
Lakes of Methane on Titan
In this methane lakes worksheet, students read about the false-color synthetic radar map taken by the Cassini spacecraft indicating methane lakes on Titan. Students solve 4 problems about the surface area of the lakes from the image, and...
American Chemical Society
Using Color to See How Liquids Combine
Blue-tinted water is added to unknown liquids that have been tinted yellow to find out how they interact. This is a memorable activity that is part of an investigation on the properties of liquids, which is part of a unit on the...
American Chemical Society
pH and Color Change
Did you know strong bases can feel slippery and slimy? Lesson allows scholars to practice using the pH scale to identify acids and bases and their strengths. By changing the concentration of an acid and a base, they create the entire...
Core Knowledge Foundation
Taking Care of the Earth Tell It Again!™ Read-Aloud Anthology
A read-aloud anthology closely examines human impact on the Earth while boosting reading comprehension skills. Through stories, scholars examine the concepts of natural resources, pollution, garbage, and recycling and brainstorm...
Curated OER
The Four-Color Problem: Concept and Solution
Take a walk through time, 1852 to 1994, following the mathematical history and development of the Four-Color Theorem. Learners take on the role of cartographers to study an imaginary world of countries that need to be...
Curated OER
Coloring Fabrics With Dyes from Plant Materials K-12 Experiments & Background Information
Young scholars investigate the effects of acid and bases on dyes made with plant materials. In this chromatography lesson students predict color outcomes and complete a lab activity on color combinations.
Curated OER
Whose Water is It Anyway?
Students role play various stakeholders who need water and make a pitch for the water allocation of a pond that is gradually decreasing in depth due to the overuse of water.
Curated OER
Waters of the Earth
Learners make a striking visual display showing the distribution of water on earth.
PreKinders
Colors of Nature
The colors of nature are the most beautiful and vivid colors in the world. Show kids the ways that colors are striking and changing throughout different habitats with a set of images that feature two animals or plants for each color.
Curated OER
What Lives in Water?
Students learn about a variety of sea creatures. They look at sea creatures pictures and identify the creatures by name and by their unique characteristics. Phonemic Awareness skills are reinforced using the beginning sounds of the...
Curated OER
Water
The water cycle is explained in five steps in this PowerPoint. Individual slides also show color graphics of how we use water at play, at work, and at home. Tasks are given throughout the presentation. One of them asks learners to...
Curated OER
Water in the Geosphere
Through a PowerPoint presentation and the embedded animation and video, earth science enthusiasts find out about the moisture in the soil beneath our feet. In the animation, follow a water molecule on its path through the water cycle. As...
Curated OER
Sunrise/Sunset
Third graders discovver what causes the dramatic colors of a sunset by seeing the changing color of light as it passes through a clear container of water to which milk is gradually added. They measure the liquids and observe what happens...
Curated OER
Galileo's Thermometer: Measuring the Density of Various Unknown Liquids
Sprouting scientists explore the concept of density by making mass and volume measurements for five different liquids. From these measurements, they calculate densities. They apply their learning to explain Galileo's thermometer works...